Before:
  call ale#assert#SetUpLinterTest('lua', 'luacheck')

After:
  call ale#assert#TearDownLinterTest()

Execute(The lua luacheck command callback should return the correct default string):
  AssertLinter 'luacheck',
  \ ale#Escape('luacheck') . '  --formatter plain --codes --filename %s -'

Execute(The lua luacheck command callback should let you set options):
  let g:ale_lua_luacheck_options = '--config filename'

  AssertLinter 'luacheck',
  \ ale#Escape('luacheck')
  \   . ' --config filename'
  \   . ' --formatter plain --codes --filename %s -'

Execute(The luacheck executable should be configurable):
  let g:ale_lua_luacheck_executable = 'luacheck.sh'

  AssertLinter 'luacheck.sh',
  \ ale#Escape('luacheck.sh') . '  --formatter plain --codes --filename %s -'